we are going to get on and do things that matter to both of us, and make sure we work together on tackling the big issues that face the world. there s some turbulence in the relationship. i m mark lowen, live in rome. first talks of the 620 summit have focused on the pandemic and the global economic recovery. good afternoon. the italian prime minister, mario draghi, has opened the 620 summit in rome with a call for multilateral action to solve the problems the world is facing. a warm welcome to sunny autumnal rome where the leaders of the world largest economies, the 620, have begun their two day summit, a crucial meeting in which countries representing 80% of the global greenhouse emissions are represented. countries representing 80% of the world 6dp, gross domestic product. 75% of global trade. 60% of the world s population. that is what 620 means, 19 countries and the eu, meeting in rome to discuss some of the biggest challenges the world faces, climate change, the covid 1